Results 61 to 70 of about 77,448 (312)

A Review on Biodegradable Materials of Sustainable Soft Robotics and Electronics

open access: yesAdvanced Science, EarlyView.
Biodegradable materials are gaining increasing attention in soft robotics and electronics due to their environmental friendliness, showing great potential for sustainability. In this review, the classification of biodegradable materials, their applications in the field of soft robotics and electronics, as well as the challenges and future prospects ...
Yizhu Xie   +8 more
wiley   +1 more source

Explicit-Explicit Sequence Calculation Method for the Wheel/rail Rolling Contact Problem Based on ANSYS/LS-DYNA

open access: yesMATEC Web of Conferences, 2015
The wheel/rail rolling contact can not only lead to rail fatigue damage but also bring rail corrugation. According to the wheel/rail rolling contact problem, based on the ANSYS/LS-DYNA explicit analysis software, this paper established the finite element
Song Hua   +4 more
doaj   +1 more source

Surface fatigue life of M50NiL and AISI 9310 spur gears and R C bars [PDF]

open access: yes
Spur gear endurance tests and rolling element surface fatigue tests were conducted to study vacuum induction melted, vacuum arc remelted (VIM-VAR) M50NiL steel for use as a gear steel in advanced aircraft applications, to determine its endurance ...
Bamberger, Eric N., Townsend, Dennis P.
core   +1 more source

Navigating the Ethereal Tightrope: The Nanogenerator Manipulates Neurons for Immune Equilibrium

open access: yesAdvanced Science, EarlyView.
This review explores how nanogenerators modulate neuroimmune responses, offering innovative strategies for treating neurological disorders. By interfacing with neural pathways, they enable precise control of immune activity, especially via vagus nerve stimulation.
Jia Du   +5 more
wiley   +1 more source

Study on rolling contact fatigue life of aviation gear steel based on modified LP theory

open access: yesJixie chuandong
ObjectiveContact fatigue failure is the primary failure mode for gears operating under extreme conditions such as high speed, heavy duty, and high temperature.
ZHAO Xinhao   +4 more
doaj   +2 more sources

Evaluation of the Cycle Count in Determining the Wear Rate of a Cast Wheel in Two Service Lives Using the Twin Disc Test [PDF]

open access: yesMaterials Research
This study aims to evaluate the wear and rolling contact fatigue performance of two lives of the same railway wheel: one with a bainitic microstructure and the other with a pearlitic microstructure, both tested against the same commercial premium rail ...
A.C. Carvalho   +7 more
doaj   +1 more source

Effect of viscosity on rolling-element fatigue life at cryogenic temperature with fluorinated ether lubricants [PDF]

open access: yes
Rolling-element fatigue tests were conducted with 12.7-mm-(1/2-in.-) diameter AISI 52100 steel balls in the NASA five-ball fatigue tester, with a maximum hertz stress of 5500 mN/m2 (800 000 psi), a shaft speed of 4750 rpm, lubricant temperature of 200 K (
Dietrich, M. W., Zaretsky, E. V.
core   +1 more source

Modification Strategies of Carbon‐Based Electrodes From Structural Regulation to Multifunctional Integration

open access: yesAdvanced Science, EarlyView.
Tracing the evolution from structural regulation to multifunctional integration, this paper systematically analyzes modification strategies for carbon‐based electrodes. It evaluates how element doping, surface functionalization, and composite material design affect the electrode performance, and offers perspectives on future applications and challenges
Yunlei Wang   +4 more
wiley   +1 more source

Effect of defect length on rolling contact fatigue crack propagation in high strength steel

open access: yesFracture and Structural Integrity, 2015
The objective of the present paper is to clarify the effect of defect length in depth direction on rolling contact fatigue (RCF) crack propagation in high strength steel.
T. Makino   +8 more
doaj  

Study on Relationship between Contact Stress Distribution Characteristic and Fatigue Spalling of Angular Contact Ball Bearing at High Speed

open access: yesJixie chuandong, 2021
Fatigue spalling is one of the main failure forms of bearing, and the change of contact stress between rolling body and raceway is an important factor causing fatigue spalling of bearing.
Chao Wan   +4 more
doaj  

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